Revue des Sciences Fondamentales Appliquées
Volume 5, Numéro 1, Pages 53-68
2013-01-01
Detection Of Static Eccentricity Fault In Saturated Induction Motors By Air-gap Magnetic Flux Signature Analysis Using Finite Element Method
Authors : Halem N. . Zouzou S. E. . Srairi K. . Guedidi S. . Abood F. A. .
Abstract
Unfortunately, motor current signature analysis (MCSA) cannot detect the small degrees of the purely static eccentricity (SE) defects, while the air-gap magnetic flux signature analysis (FSA) is applied successfully. The simulation results are obtained by using time stepping finite elements (TSFE) method. In order to show the impact of magnetic saturation upon the diagnosis of SE fault, the analysis is carried out for saturated induction motors. The index signatures of static eccentricity fault around fundamental and PSHs are detected successfully for saturated motor.
Keywords
Induction motor, static eccentricity (SE), time stepping finite elements (TSFE) method, air-gap magnetic flux signature analysis (FSA), magnetic saturation.
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